You can change the version of PHP that is running on your UNIX hosting packages with Network Solutions. This is necessary if you are trying to run a new theme or plugin that takes advantage of something only found in a newer version of PHP.
Follow these instructions to modify PHP version, which runs on your UNIX hosting package:
2. Go to My Hosting Packages.
3. Click the Manage button for the hosting package that you want to modify.
Note: Only UNIX hosting packages are able to have the PHP version modified.
5. Click the icon for PHP Manager.
Note: Please review your code to ensure that it will work with the version of PHP that you are choosing. You may need to reach out to theme or plugin developers for assistance if you are using a Content Management System.